CN214959044U - Embedded permanent magnet synchronous motor - Google Patents

Embedded permanent magnet synchronous motor Download PDF

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Publication number
CN214959044U
CN214959044U CN202121337390.3U CN202121337390U CN214959044U CN 214959044 U CN214959044 U CN 214959044U CN 202121337390 U CN202121337390 U CN 202121337390U CN 214959044 U CN214959044 U CN 214959044U
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China
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fixedly connected
frame
permanent magnet
lateral wall
synchronous motor
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CN202121337390.3U
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Chinese (zh)
Inventor
戚勇
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Taizhou Trillion Force Motor Co ltd
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Taizhou Trillion Force Motor Co ltd
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Abstract

The utility model relates to an electrical equipment technical field, concretely relates to embedded PMSM, its technical scheme is: including the frame, the even fixedly connected with fin of lateral wall of frame, one side of frame is run through and is provided with the entrance point, one side of frame is run through and is provided with the exit end, the equal fixedly connected with heat pipe in one side of exit end and entrance point, the lateral wall fixed connection of heat pipe is on the inner wall of frame, the inner wall both sides fixedly connected with division board of frame, the middle part of division board is run through the fixedly connected with bearing, the middle part of bearing is rotated and is connected with the pivot, the lateral wall fixedly connected with rotor core of pivot, rotor core's middle part is provided with permanent magnet material, the beneficial effects of the utility model are that: be provided with the heat pipe, the heat pipe setting makes the refrigerated effect promote by a wide margin at the lateral wall direct contact heat source of stator and rotor to the power density who makes the motor improves by a wide margin.

Description

Embedded permanent magnet synchronous motor
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to embedded PMSM.
Background
In recent years, with the rapid development of power electronic technology, microelectronic technology, novel motor control theory and rare earth permanent magnet materials, permanent magnet synchronous motors can be rapidly popularized and applied. Compared with the traditional electrically excited synchronous motor, the permanent magnet synchronous motor, especially the rare earth permanent magnet synchronous motor has the advantages of less loss, high efficiency and obvious electricity-saving effect. The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because the efficiency and the power density of the motor are improved because of no need of exciting current and no exciting loss, the motor is a motor which is researched more in recent years and is applied more and more widely in various fields. Nowadays, energy conservation and environmental protection are increasingly regarded as important, and research on the energy conservation and environmental protection is very necessary.
However, in practical use, the motor generates heat seriously at high power, which leads to that the power density of the motor cannot be improved, and the volume of the motor and a heat dissipation device have to be increased; therefore, heat dissipation is very important for improving the power density of the motor, and there are three methods for heat dissipation at present: 1) hydrologic cycle, through the built-in water route circulation heat dissipation of motor stator: 2) oil circulation, namely circulating heat dissipation through an oil circuit arranged in the motor stator; 3) the heat pipe dissipates heat, and the heat is led out for air cooling through the heat pipe laid on the surface of the stator. Because the heat source comes from the winding inside the stator, the heat of the heat source can be conducted to the stator body and the surface of the stator through the stator and the air gap between the winding and the stator, the water circulation and the oil circulation are used for cooling the stator, and the heat conduction pipe is cooled from the surface of the stator.
Therefore, it is necessary to invent an interior permanent magnet synchronous motor.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an embedded PMSM through the heat pipe to solve PMSM high power during operation serious scheduling problem generates heat.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an embedded PMSM, includes the frame, the even fixedly connected with fin of lateral wall of frame, one side of frame is run through and is provided with the entrance point, one side of frame is run through and is provided with the exit end, the equal fixedly connected with heat pipe in one side of exit end and entrance point, the lateral wall fixed connection of heat pipe is on the inner wall of frame.
Preferably, the inner wall both sides fixedly connected with division board of frame, the middle part of division board is run through fixedly connected with bearing, the middle part of bearing is rotated and is connected with the pivot, the lateral wall fixedly connected with rotor core of pivot, rotor core's middle part is provided with permanent magnetic material.
Preferably, the lateral wall of pivot is provided with stator core, one side fixedly connected with rotor conducting bar of stator core, the rotor conducting bar sets up around permanent magnet material.
Preferably, the one end lateral wall fixedly connected with belt pulley of pivot, the lateral wall of pivot rotates and is connected with the end cover, the first fixed block of lateral wall fixedly connected with of end cover.
Preferably, the other end of the rotating shaft is fixedly connected with a fan, one side of the fan is provided with a fan cover, one side of the fan cover is penetrated through a vent hole fixedly connected with, and the side wall of the fan cover is fixedly connected with a third fixing block.
Preferably, one side of the machine base is fixedly connected with a control box, and the side wall of the machine base is fixedly connected with a second fixed block.
Preferably, the side wall of the base is fixedly connected with a radiating fin, and the lower end of the base is fixedly connected with a supporting base.
Preferably, the side wall of one end of the rotating shaft is fixedly connected with three belt pulleys.
The utility model has the advantages that: the utility model discloses be provided with the heat pipe, the heat pipe distributes and carries out direct contact all around at rotor and stator and goes out the heat source and dispel the heat, makes the refrigerated effect promote by a wide margin to the power density who makes the motor increases substantially, and PMSM simple structure, convenient operation save a large amount of loaded down with trivial details steps, improve the work efficiency of motor greatly.
Drawings
Fig. 1 is a cross-sectional view of an embedded permanent magnet synchronous motor provided by the present invention;
fig. 2 is a front view of a cooling device of an embedded permanent magnet synchronous motor provided by the present invention;
fig. 3 is a three-dimensional schematic diagram of a cooling device of an embedded permanent magnet synchronous motor provided by the present invention;
fig. 4 is a front view of an embodiment 1 of an embedded permanent magnet synchronous motor provided by the present invention;
fig. 5 is a front view of an embodiment 2 of an embedded permanent magnet synchronous motor according to the present invention.
In the figure: 1. a fan housing; 2. a vent hole; 3. a fan; 4. a support base; 5. a bearing; 6. a stator core; 7. a rotor conducting bar; 8. a heat conducting pipe; 9. a rotating shaft; 10. a belt pulley; 11. a rotor core; 12. an end cap; 13. a first fixed block; 14. a permanent magnetic material; 15. a heat sink; 16. a partition plate; 17. a second fixed block; 18. a third fixed block; 19. a machine base; 20. an inlet end; 21. an outlet end; 22. and a control box.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Embodiment 1, referring to fig. 1-4, the utility model provides an embedded permanent magnet synchronous motor, including a base 19, the side wall of the base 19 is uniformly and fixedly connected with a heat sink 15, one side of the base 19 is penetrated and provided with an inlet end 20, one side of the base 19 is penetrated and provided with an outlet end 21, both the outlet end 21 and one side of the inlet end 20 are fixedly connected with a heat pipe 8, the side wall of the heat pipe 8 is fixedly connected to the inner wall of the base 19, the temperature is still too high, at this time, the heat pipe 8 arranged on the side wall of the rotor core 11 and the stator core 6 starts to be introduced with cooling liquid, the heat pipe 8 is fixed on the inner wall of the base 19, one side of the base 19 is penetrated and fixedly connected with an inlet end 20, one side is penetrated and fixedly connected with an outlet end 21, the inlet end 20 is introduced with cooling water or cooling oil for heat dissipation, and then flows out through the outlet end 21, because the heat pipe 8 is uniformly and fixedly wound in the inner wall of the base 19, a large amount of heat can be absorbed conveniently and then discharged from the outlet end 21, and the side wall of the base 19 is provided with the radiating fins 15 for assisting in radiating, so that heat energy can be discharged as far as possible, and the normal work of the permanent magnet synchronous motor is ensured;
furthermore, two sides of the inner wall of the base 19 are fixedly connected with partition plates 16, the middle of each partition plate 16 is fixedly connected with a bearing 5 in a penetrating manner, the middle of each bearing 5 is rotatably connected with a rotating shaft 9, the side wall of each rotating shaft 9 is fixedly connected with a rotor core 11, a permanent magnet material 14 is arranged in the middle of each rotor core 11, the two partition plates 16 safely protect the inner rotor cores 11 and the permanent magnet materials 14 in the middle to prevent parts from being damaged, and the rotor cores 11 drive the rotating shafts 9 to rotate;
furthermore, a stator core 6 is arranged on the side wall of the rotating shaft 9, a rotor conducting bar 7 is fixedly connected to one side of the stator core 6, the rotor conducting bar 7 is arranged around the permanent magnet material 14, a synthetic magnetic field is formed in an air gap between the rotor core 11 and the stator core 6, and the permanent magnet synchronous motor can start to work due to the fact that the air gap synthetic magnetic field is different from the position relation of a main magnetic field;
further, a belt pulley 10 is fixedly connected to a side wall of one end of the rotating shaft 9, an end cover 12 is rotatably connected to the side wall of the rotating shaft 9, a first fixing block 13 is fixedly connected to a side wall of the end cover 12, the rotating shaft 9 can drive the belt pulley 10 to rotate in the middle direction while rotating, and the first fixing block 13 and a second fixing block 17 are connected together through a stud bolt for protecting internal parts on one side of the end cover 12;
further, the side wall of the other end of the rotating shaft 9 is fixedly connected with a fan 3, one side of the fan 3 is provided with a fan cover 1, one side of the fan cover 1 is fixedly connected with an air vent 2 in a penetrating manner, the side wall of the fan cover 1 is fixedly connected with a third fixing block 18, the rotating shaft 9 rotates to drive the fan 3 to rotate for heat dissipation, then heat energy is discharged through the ventilation cover 1 to achieve a heat dissipation effect, and the third fixing block 18 is connected with a second fixing block 17 through a stud;
furthermore, one side of the machine base 19 is fixedly connected with a control box 22, the side wall of the machine base 19 is fixedly connected with a second fixed block 17, and an electric wire is connected into the control box 22 to provide electric energy;
further, the side wall of the base 19 is fixedly connected with a heat sink 15, the lower end of the base 19 is fixedly connected with a support base 4, the heat sink 15 can better dissipate heat, and the support base 4 at the lower end is used for supporting the weight of the whole permanent magnet synchronous motor for fixation;
the utility model discloses a use as follows: when the utility model is used, a person skilled in the art inserts the electrified ground wire into the control box 22, a three-phase current is introduced into the stator core 6 and the rotor core 11, namely, a synthetic magnetic field is formed in the air gap between the stator and the rotor, the permanent magnet synchronous motor can start to work due to the different position relationship between the air gap synthetic magnetic field and the main magnetic field, the middle rotating shaft 9 is driven to rotate, the rotating bearings 5 are arranged on both sides of the rotating shaft 9 and fixedly connected in the middle of the separating plate 16, the rotating shaft 9 drives the belt pulley 10 at one end to rotate, the fan 3 fixedly connected with the other end of the rotating shaft 9 also rotates to dissipate heat, thereby preventing the machine from being damaged due to overhigh temperature, when the rotor core 11 interacts with the stator core 6, heat is generated, a large amount of heat energy can cause the machine to be damaged, although the fan 3 dissipates heat, the temperature is overhigh, at the moment, the heat conduction pipes 8 arranged on the side walls of the rotor core 11 and the stator core 6 begin to introduce cooling liquid, the heat conduction pipe 8 is fixed on the inner wall of the machine base 19, one side of the machine base 19 is fixedly connected with an inlet end 20 in a penetrating way, one side of the machine base 19 is fixedly connected with an outlet end 21 in a penetrating way, the inlet end 20 is introduced with cooling water or cooling oil for heat dissipation and then flows out through the outlet end 21, because the heat conduction pipe 8 is uniformly and fixedly wound in the inner wall of the machine base 19, a large amount of heat can be conveniently absorbed and then is discharged by the way when flowing out from the outlet end 21, the side wall of the machine base 19 is also provided with a radiating fin 15 for assisting in heat dissipation, heat energy can be discharged as far as possible, and the normal work of the permanent magnet synchronous motor is ensured, the two sides of the side wall of the machine base 19 are fixedly connected with a second fixed block 17, the second fixed block 17 on one side is connected with a third fixed block 18 through a stud, the second fixed block 17 on one side is connected with a first fixed block 13, and the air cover 1 is fixedly connected with one side of the third fixed block 18, one side fixedly connected with ventilation hole 2 of fan housing 1, fan 3 is discharged heat energy from ventilation hole 2, and one side fixedly connected with end cover 12 of first fixed block 13 rotates the lateral wall of connection at pivot 9, and protects internals in one side of belt pulley 10, and the lower extreme fixedly connected with of frame 19 supports base 4, conveniently is used for supporting PMSM, prevents that the during operation motor from rocking, influences work efficiency.
Embodiment 2, referring to fig. 5, the utility model provides an embedded permanent magnet synchronous motor, including a frame 19, the side wall of the frame 19 is uniformly and fixedly connected with a heat sink 15, one side of the frame 19 is penetrated and provided with an inlet end 20, one side of the frame 19 is penetrated and provided with an outlet end 21, the outlet end 21 and one side of the inlet end 20 are both fixedly connected with a heat pipe 8, the side wall of the heat pipe 8 is fixedly connected to the inner wall of the frame 19;
further, the side wall of one end of the rotating shaft 9 is fixedly connected with three belt pulleys 10, and the number of the belt pulleys 10 is three;
the utility model discloses a use as follows: when using the utility model discloses the time, the technical personnel in the field change the belt pulley 10 of pivot 9 one end into three, and three belt pulley 10 can be connected three needs moving machine through the belt and rotate, drives the machine and carries out work, has increased the work efficiency of machine.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (8)

1. An embedded permanent magnet synchronous motor, includes frame (19), its characterized in that: the even fixedly connected with fin (15) of lateral wall of frame (19), one side of frame (19) is run through and is provided with entrance point (20), one side of frame (19) is run through and is provided with exit end (21), the equal fixedly connected with heat pipe (8) in one side of exit end (21) and entrance point (20), the lateral wall fixed connection of heat pipe (8) is on the inner wall of frame (19).
2. The in-line permanent magnet synchronous motor according to claim 1, wherein: inner wall both sides fixedly connected with division board (16) of frame (19), fixedly connected with bearing (5) are run through at the middle part of division board (16), the middle part of bearing (5) is rotated and is connected with pivot (9), the lateral wall fixedly connected with rotor core (11) of pivot (9), the middle part of rotor core (11) is provided with permanent magnetic material (14).
3. The interior permanent magnet synchronous motor according to claim 2, wherein: the lateral wall of pivot (9) is provided with stator core (6), one side fixedly connected with rotor conducting bar (7) of stator core (6), rotor conducting bar (7) set up around permanent-magnet material (14).
4. The interior permanent magnet synchronous motor according to claim 2, wherein: the one end lateral wall fixedly connected with belt pulley (10) of pivot (9), the lateral wall of pivot (9) rotates and is connected with end cover (12), the first fixed block (13) of lateral wall fixedly connected with of end cover (12).
5. The interior permanent magnet synchronous motor according to claim 2, wherein: the fan is characterized in that the fan (3) is fixedly connected to the side wall of the other end of the rotating shaft (9), the fan cover (1) is arranged on one side of the fan (3), the air vent (2) is fixedly connected to one side of the fan cover (1) in a penetrating mode, and the third fixing block (18) is fixedly connected to the side wall of the fan cover (1).
6. The in-line permanent magnet synchronous motor according to claim 1, wherein: one side fixedly connected with control box (22) of frame (19), the lateral wall fixedly connected with second fixed block (17) of frame (19).
7. The in-line permanent magnet synchronous motor according to claim 1, wherein: the side wall of frame (19) fixedly connected with fin (15), the lower extreme fixedly connected with of frame (19) supports base (4).
8. The interior permanent magnet synchronous motor according to claim 2, wherein: one end side wall of the rotating shaft (9) is fixedly connected with belt pulleys (10), and the number of the belt pulleys (10) is three.
CN202121337390.3U 2021-06-16 2021-06-16 Embedded permanent magnet synchronous motor Active CN214959044U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121337390.3U CN214959044U (en) 2021-06-16 2021-06-16 Embedded permanent magnet synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121337390.3U CN214959044U (en) 2021-06-16 2021-06-16 Embedded permanent magnet synchronous motor

Publications (1)

Publication Number Publication Date
CN214959044U true CN214959044U (en) 2021-11-30

Family

ID=79051477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121337390.3U Active CN214959044U (en) 2021-06-16 2021-06-16 Embedded permanent magnet synchronous motor

Country Status (1)

Country Link
CN (1) CN214959044U (en)

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